CN104175819A - TPMS (Tire Pressure Monitoring System) receiver, as well as system and method for realizing fault diagnosis of vehicle - Google Patents
TPMS (Tire Pressure Monitoring System) receiver, as well as system and method for realizing fault diagnosis of vehicle Download PDFInfo
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- CN104175819A CN104175819A CN201410330772.1A CN201410330772A CN104175819A CN 104175819 A CN104175819 A CN 104175819A CN 201410330772 A CN201410330772 A CN 201410330772A CN 104175819 A CN104175819 A CN 104175819A
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Abstract
The invention discloses a TPMS (Tire Pressure Monitoring System) receiver, as well as a system and a method for realizing the fault diagnosis of a vehicle, belonging to the technical field of vehicle safety. The TPMS receiver comprises a high-frequency receiving module, an OBD (On-Board Diagnostic) interface, a wireless communication module and a processor, wherein the high-frequency receiving module is used for receiving inner tire parameters detected by tire pressure sensors of the vehicle, and transmitting the inner tire parameters to the processor; the OBD interface is connected with the processor and an ECU (Electronic Control Unit) respectively and used for providing an interface for communication between the processor and the ECU; the wireless communication module is used for providing a wireless interface for communication between the processor and a display terminal; the processor is used for monitoring the status of tires in real time according to the inner tire parameters detected by the tire pressure sensors and also used for acquiring the fault information of the vehicle from the ECU, and sending the fault information of the vehicle to the display terminal for displaying. By adopting the TPMS receiver as well as the system and the method, the diagnosis fault of the vehicle can be monitored while the tire pressure is monitored, multiple diagnosis functions are integrated as a whole, and the TPMS receiver is simple and practical, and low in cost.
Description
Technical field
The present invention relates to vehicle safety technical field, relate in particular to a kind of TPMS receptor and realize the system and method for car fault diagnosis.
Background technology
Along with growth in the living standard, vehicle is more and more, and thing followed traffic accident is also increasing, and tire fault is a kind of major reason that causes the traffic accident on express highway.Based on this, system for monitoring pressure in tyre (TirePressureMonitoringSystem, TPMS) arises at the historic moment.TPMS mainly comprises two parts: TPMS projector and TPMS receptor, TPMS projector is arranged in tire, and the data such as the pressure detecting, temperature are sent to TPMS receptor by wireless mode.The data such as the tire pressure of TPMS receptor by the data real time monitoring that receives, temperature, and report to the police when gas leakage, temperature or pressure surpass Secure Threshold, thereby chaufeur reminded in time.
Yet, more and more higher along with vehicle degree of automation, the structure of vehicle also becomes increasingly complex, bring like this fault of vehicle also to become increasingly complex, the system that vehicle adopts computer to control is more and more, such as: vehicle-mounted computer (ElectronicControlUnit, ECU, claim again electronic control unit), onboard diagnostic system (On-BoardDiagnostic, OBD) and TPMS.Under this background, vehicle will be installed the diagnostic installation that several functions is single, and not only hardware cost is higher, and chaufeur will just can be known the current residing state of vehicle by multiple diagnostic system, be unfavorable for instant reply processing, the especially traffic accident on express highway, practicality is low.Therefore need a kind of integrated multiple diagnosis function cheaply in the equipment of one.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide low, the simple and practical integrated several functions of a kind of cost in the TPMS of one receptor and method for diagnosing faults thereof.
It is as follows that the present invention solves the problems of the technologies described above adopted technical scheme:
According to an aspect of the present invention, a kind of TPMS receptor providing, is applied to vehicle, and this TPMS receptor comprises:
High frequency receiver module, the tire intrinsic parameter detecting for receiving each pressure of tire sensor of vehicle, and send treater to;
OBD interface, is connected with ECU with treater respectively, for the interface that provides treater and ECU to communicate;
Treater, for the real-time monitoring tyres state of tire intrinsic parameter detecting according to each pressure of tire sensor of vehicle, also for obtain the failure message of vehicle from ECU, and sends to display terminal to show vehicle diagnostics information;
Wireless communication module, for the wave point that provides treater and display terminal to communicate.
Preferably, high frequency receiver module specifically for: receive the high-frequency signal of each pressure of tire sensor emission of vehicle, parse tire sensor from high-frequency signal No. ID, temperature and pressure.
Preferably, the failure message that obtains vehicle from ECU comprises: diagnostic code, data flow, freeze frame and/or each sensor parameters information.
Preferably, wireless communication module comprises bluetooth module.
Preferably, treater, also for carrying out alarm when tire intrinsic parameter surpasses default Secure Threshold.
According to another aspect of the present invention, a kind of system that realizes car fault diagnosis providing comprises: the TPMS receptor of TPMS projector, ECU, display terminal and technique scheme, wherein:
TPMS projector, is arranged in tire, and the tire intrinsic parameter in real time tyre pressure sensor being monitored sends to TPMS receptor;
ECU, for providing the failure message of vehicle;
Display terminal, for the diagnostic message that shows that TPMS receptor 10 sends.
Preferably, display terminal comprises mobile terminal or with the electronic machine of read-out.
Preferably, display terminal, also for receiving user operation commands, and sends to TPMS receptor by the user operation commands receiving.
According to a further aspect of the invention, a kind of method that realizes car fault diagnosis providing, is applied to weigh the TPMS receptor in technique scheme, and the method comprises:
Treater obtains by high frequency receiver module the tire intrinsic parameter that each pressure of tire sensor of vehicle detects, in real time monitoring tyres state;
By OBD interface, from ECU, obtain the failure message of vehicle;
By wireless communication module, send to display terminal to show vehicle diagnostics information.
Preferably, the failure message that obtains vehicle by OBD interface from ECU comprises: diagnostic code, data flow, freeze frame and/or each sensor parameters information.
TPMS receptor and the method for diagnosing faults thereof of the embodiment of the present invention, by integrating OBD system and TPMS system, TPMS receptor can not only be received in real time and be arranged on the data that on tire, tyre pressure sensor sends, by display terminal, show, in real time monitoring tyres internal data; And can communicate by OBD interface and vehicle ECU, obtain failure message and carry out trouble diagnosing, thereby integrate multiple diagnosis function, simple and practical, cost is low.
Accompanying drawing explanation
The structural representation of the TPMS receptor that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the system that realizes car fault diagnosis that Fig. 2 provides for the embodiment of the present invention;
The diagram of circuit of the method that realizes car fault diagnosis that Fig. 3 provides for the embodiment of the present invention.
The specific embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment mono-
As shown in Figure 1, a kind of TPMS receptor that the embodiment of the present invention provides is applied to vehicle, and this TPMS receptor comprises:
High frequency receiver module 101, the tire intrinsic parameter detecting for receiving each pressure of tire sensor of vehicle, and send treater 103 to;
OBD interface 102, is connected with ECU with treater 103 respectively, for the interface that provides treater and ECU to communicate;
Treater 103, for the real-time monitoring tyres state of tire intrinsic parameter detecting according to each pressure of tire sensor of vehicle, also for obtain the failure message of vehicle from ECU, and sends to display terminal to show vehicle diagnostics information.
Wireless communication module 104, for the wave point that provides treater and display terminal to communicate.
Particularly, what existing TPMS receptor used is cigar lighter socket, and the OBD interface that TPMS receptor of the present invention uses power supply can be carried out OBD trouble diagnosing to vehicle by OBD interface simultaneously, thereby realizes the combination of OBD and TPMS.On the one hand, high frequency receiver module 101 receives the high-frequency signal of each pressure of tire sensor emission of vehicle, and send treater 103 to, treater 103 parses tire sensor from the high-frequency signal information such as No. ID, temperature and pressure, the real-time monitoring tyres state of tire intrinsic parameter detecting according to each pressure of tire sensor of vehicle.If desired, treater 103 also can import the information such as No. ID, tire sensor, temperature and pressure into ECU system.On the other hand, treater 103 obtains the failure message of vehicle from ECU by ODB interface 20, and failure message comprises but is not limited to: diagnostic code, data flow, freeze frame and/or each sensor parameters information.Treater 103 can send to display terminal to show the error state of each tire and other failure messages by wireless communication module 104 in real time, thereby reminds chaufeur.Wherein, wireless communication module 104 includes but not limited to bluetooth module.Therefore the tracing trouble that, TPMS receptor again can monitor vehicle when realizing monitoring tire pressure.
Example one
The OBD interface, treater and the wireless communication module that utilize existing OBD diagnostic installation to comprise, in existing OBD diagnostic installation, increase high frequency receiver module, then the software of treater is made to adaptive modification and by soft and hardware combination, can realize TPMS receptor of the present invention.
In this example, in existing OBD diagnostic installation, increase high frequency receiver module, realize in monitoring tire pressure again can monitor vehicle tracing trouble.
Example two
The high frequency receiver module, treater and the wireless communication module that utilize existing TPMS receptor to comprise, in existing TPMS receptor, increase OBD interface, then the software of treater is made to adaptive modification and by soft and hardware combination, can realize TPMS receptor of the present invention.
In this example, by increasing OBD interface at existing TPMS receptor, realize in monitoring tire pressure again can monitor vehicle tracing trouble.
Embodiment bis-
The structural representation that is illustrated in figure 2 the system that realizes car fault diagnosis that the embodiment of the present invention provides, this system comprises TPMS receptor 10, TPMS projector 20, ECU30 and display terminal 40, wherein:
TPMS receptor 10, the tire intrinsic parameter detecting for receiving each pressure of tire sensor of vehicle, monitoring tyres state, also for obtain the failure message of vehicle from ECU, and sends to display terminal 40 by vehicle diagnostics information in real time;
TPMS projector 20, is arranged in tire, and the tire intrinsic parameter in real time tyre pressure sensor being monitored sends to TPMS receptor 10;
ECU30, for providing the failure message of vehicle;
Display terminal 40, for the diagnostic message that shows that TPMS receptor 10 sends.
Preferably, TPMS receptor 10, also, for when tire intrinsic parameter surpasses default Secure Threshold, carries out alarm.
Display terminal 40, also for receiving user operation commands, and sends to TPMS receptor 10 by the user operation commands receiving.
Specifically, TPMS projector 20 is arranged in vehicle tyre, by high frequency receiver module, communicates by letter with TPMS receptor, in real time monitoring tire intrinsic parameter is sent to TPMS receptor 10.TPMS receptor 10 is when gas leakage, pressure or temperature surpass Secure Threshold, carry out warning reminding user, TPMS receptor 10 can also send to display terminal 40 by wireless mode (bluetooth etc.) and show, realizes real-time monitoring tyres internal data object.Simultaneously, TPMS receptor 10 also communicates by OBD interface and ECU30, obtain diagnostic code wherein, data flow, freeze frame, with various sensor parameter informations, by wireless mode (as bluetooth etc.), send to display terminal 40 and show, display terminal 40 includes but not limited to mobile terminal or other electronic machines with read-out.
Embodiment tri-
As shown in Figure 3, a kind of car fault diagnosis method of realizing that the embodiment of the present invention provides, is applied in the TPMS receptor of above-described embodiment, and the method comprises:
S202, treater obtain by high frequency receiver module the tire intrinsic parameter that each pressure of tire sensor of vehicle detects, in real time monitoring tyres state.
Particularly, by high frequency receiver module, receive the high-frequency signal of each pressure of tire sensor emission of vehicle, and send treater to, treater parses tire sensor from the high-frequency signal information such as No. ID, temperature and pressure, the real-time monitoring tyres state of tire intrinsic parameter detecting according to each pressure of tire sensor of vehicle.
S204, by OBD interface, from ECU, obtain the failure message of vehicle.
Particularly, treater is set up communication request (attempt various communication protocol and send data) by the various communication protocol of OBD interface poll to ECU, when communication protocol mistake, ECU does not feed back, when communication protocol is correct, through communication handshake several times, set up communication link with ECU2 with ECU.Then treater communicates according to OBD agreement and ECU, send diagnostic command, ECU receives after diagnostic command, reply corresponding vehicle data and (comprise diagnostic code, data flow), treater is received after information of vehicles and diagnostic message, parses failure message, by wireless communication module, sends to display terminal to show diagnosis and information of vehicles.
Wherein, the failure message that obtains vehicle from ECU comprises but is not limited to: diagnostic code, data flow, freeze frame, each sensor parameters information etc.
S206, by wireless communication module, send to display terminal to show vehicle diagnostics information.
Wherein, display terminal includes but not limited to smart mobile phone or with the equipment of read-out.
Preferably, after described method, also comprise: when tire intrinsic parameter surpasses default Secure Threshold, carry out alarm.
TPMS receptor and the method for diagnosing faults thereof of the embodiment of the present invention, by integrating OBD and TPMS system, TPMS receptor can not only be received in real time and be arranged on the data that on tire, tyre pressure sensor sends, by display terminal, show, in real time monitoring tyres internal data; And can communicate by OBD interface and vehicle ECU, obtain failure message and carry out trouble diagnosing, thereby integrate multiple diagnosis function, simple and practical, cost is low.
With reference to the accompanying drawings of the preferred embodiments of the present invention, not thereby limit to interest field of the present invention above.Those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention, such as the feature as an embodiment can be used for another embodiment, obtain another embodiment.Allly using any modification of doing within technical conceive of the present invention, be equal to and replace and improve, all should be within interest field of the present invention.
Claims (10)
1. a TPMS receptor, is applied to vehicle, it is characterized in that, this TPMS receptor comprises:
High frequency receiver module, the tire intrinsic parameter detecting for receiving each pressure of tire sensor of vehicle, and send treater to;
OBD interface, is connected with ECU with described treater respectively, for the interface that provides described treater and ECU to communicate;
Treater, for the real-time monitoring tyres state of tire intrinsic parameter detecting according to each pressure of tire sensor of vehicle, also for obtain the failure message of vehicle from ECU, and sends to display terminal to show vehicle diagnostics information;
Wireless communication module, for the wave point that provides described treater and display terminal to communicate.
2. TPMS receptor according to claim 1, it is characterized in that, described high frequency receiver module specifically for: receive the high-frequency signal of each pressure of tire sensor emission of vehicle, parse tire sensor from described high-frequency signal No. ID, temperature and pressure.
3. TPMS receptor according to claim 1, is characterized in that, the described failure message that obtains vehicle from ECU comprises: diagnostic code, data flow, freeze frame and/or each sensor parameters information.
4. TPMS receptor according to claim 1, is characterized in that, wireless communication module comprises bluetooth module.
5. TPMS receptor according to claim 1, is characterized in that, described treater, also for carrying out alarm when tire intrinsic parameter surpasses default Secure Threshold.
6. a system that realizes car fault diagnosis, is characterized in that, this system comprises: the TPMS receptor described in TPMS projector, ECU, display terminal and claim 1-5 any one claim, wherein:
TPMS projector, is arranged in tire, and the tire intrinsic parameter in real time tyre pressure sensor being monitored sends to TPMS receptor;
ECU, for providing the failure message of vehicle;
Display terminal, for the diagnostic message that shows that TPMS receptor 10 sends.
7. the system that realizes car fault diagnosis according to claim 6, is characterized in that, described display terminal comprises mobile terminal or with the electronic machine of read-out.
8. the system that realizes car fault diagnosis according to claim 7, is characterized in that, described display terminal also for receiving user operation commands, and sends to described TPMS receptor by the user operation commands receiving.
9. a method that realizes car fault diagnosis, is characterized in that, is applied to the TPMS receptor described in claim 1-5 any one claim, and the method comprises:
Treater obtains by high frequency receiver module the tire intrinsic parameter that each pressure of tire sensor of vehicle detects, in real time monitoring tyres state;
By OBD interface, from ECU, obtain the failure message of vehicle;
By wireless communication module, send to display terminal to show vehicle diagnostics information.
10. the method that realizes car fault diagnosis according to claim 6, is characterized in that, the described failure message that obtains vehicle from ECU by OBD interface comprises: diagnostic code, data flow, freeze frame and/or each sensor parameters information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330772.1A CN104175819A (en) | 2014-07-11 | 2014-07-11 | TPMS (Tire Pressure Monitoring System) receiver, as well as system and method for realizing fault diagnosis of vehicle |
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| CN201410330772.1A CN104175819A (en) | 2014-07-11 | 2014-07-11 | TPMS (Tire Pressure Monitoring System) receiver, as well as system and method for realizing fault diagnosis of vehicle |
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| CN105652858A (en) * | 2016-03-31 | 2016-06-08 | 大连楼兰科技股份有限公司 | OBD (on-board diagnostics) equipment identification method and OBD equipment identification system based on data request intervals |
| CN105751831A (en) * | 2016-03-01 | 2016-07-13 | 张泽婵 | Embedded type tire pressure monitoring system |
| CN107053969A (en) * | 2017-03-28 | 2017-08-18 | 苏州工业园区职业技术学院 | A kind of pressure and temperature detecting system of automobile tire |
| CN110471396A (en) * | 2017-10-31 | 2019-11-19 | 深圳市道通科技股份有限公司 | Computer readable storage medium, fault detection method and device |
| CN111114212A (en) * | 2017-08-24 | 2020-05-08 | 深圳市盛路物联通讯技术有限公司 | Maintenance method and system of tire pressure monitoring intelligent antenna system |
| CN111141444A (en) * | 2017-12-27 | 2020-05-12 | 深圳市道通科技股份有限公司 | Tire pressure sensor information acquisition method and device, storage medium and electronic equipment |
| CN112959860A (en) * | 2021-03-09 | 2021-06-15 | 深圳市道通科技股份有限公司 | Tire pressure sensor information processing method, device and equipment |
| CN113071270A (en) * | 2021-03-22 | 2021-07-06 | 深圳市道通科技股份有限公司 | Detection system, method, device, electronic equipment and computer readable storage medium |
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| CN105751831A (en) * | 2016-03-01 | 2016-07-13 | 张泽婵 | Embedded type tire pressure monitoring system |
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| CN112959860A (en) * | 2021-03-09 | 2021-06-15 | 深圳市道通科技股份有限公司 | Tire pressure sensor information processing method, device and equipment |
| CN112959860B (en) * | 2021-03-09 | 2022-07-19 | 深圳市道通科技股份有限公司 | Tire pressure sensor information processing method, device and equipment |
| CN113071270A (en) * | 2021-03-22 | 2021-07-06 | 深圳市道通科技股份有限公司 | Detection system, method, device, electronic equipment and computer readable storage medium |
| CN113071270B (en) * | 2021-03-22 | 2023-02-28 | 深圳市道通科技股份有限公司 | Detection system, method, device, electronic equipment and computer readable storage medium |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Park B1 building 7 layer, 8 layer, 10 layer Applicant after: SHENZHEN AUTEL TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili town tea light road on the south side of Shenzhen integrated circuit design and application of Industrial Park 106, 107, 109, 114 Applicant before: SHENZHEN AUTEL TECHNOLOGY CO., LTD. |
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